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conan install opencv/4.1.2@ --build=opencv --profile:host=/Users/jenkins/w/BuildSingleReference/16937/6aa4759c-e701-4d56-9e62-302226ddc8cb/profile_host.txt --profile:build=default
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Configuration (profile_host):
[settings]
arch=armv8
build_type=Debug
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
[options]
opencv:shared=False
[build_requires]
[env]

Configuration (profile_build):
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
os_build=Macos
[options]
[build_requires]
[env]

opencv/4.1.2: Forced build from source
Installing package: opencv/4.1.2
Requirements
    eigen/3.3.9 from 'conan-center' - Cache
    jasper/2.0.32 from 'conan-center' - Cache
    jbig/20160605 from 'conan-center' - Cache
    libdeflate/1.7 from 'conan-center' - Cache
    libjpeg/9d from 'conan-center' - Cache
    libpng/1.6.37 from 'conan-center' - Cache
    libtiff/4.2.0 from 'conan-center' - Cache
    libwebp/1.2.0 from 'conan-center' - Cache
    opencv/4.1.2 from 'TapaholesList-148' - Cache
    openexr/2.5.5 from 'conan-center' - Cache
    protobuf/3.15.5 from 'conan-center' - Cache
    quirc/1.1 from 'conan-center' - Cache
    xz_utils/5.2.5 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
    zstd/1.5.0 from 'conan-center' - Cache
Packages
    eigen/3.3.9:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download
    jasper/2.0.32:bbfb0b6bdbddb34a5e6df9c9203cb9f9becc27c6 - Download
    jbig/20160605:9922b5209fdf6f4375dc23d124792df29eb60671 - Download
    libdeflate/1.7:baf78352c82543f997ec32332829b6fa30714eaa - Download
    libjpeg/9d:baf78352c82543f997ec32332829b6fa30714eaa - Download
    libpng/1.6.37:4dc30494e16aa1c3afe30e47a9e1ab6be09c245e - Missing
    libtiff/4.2.0:f4174bd4d4928449300017a2d33ca1b3e103c0b7 - Download
    libwebp/1.2.0:263e7e2760ab0f8e33771d6415e3b075694771a6 - Download
    opencv/4.1.2:e75896bc3fe66cb44d5420690907a5c963fc57f6 - Build
    openexr/2.5.5:2fb114eaa67bd3be5482434a7126adb03fbcf843 - Download
    protobuf/3.15.5:3e46f030dc1e35ba5a09cb61a91c252a92399a3a - Download
    quirc/1.1:84f6b17ca99b681055945dfeb4e3a0bdb0da0b26 - Download
    xz_utils/5.2.5:baf78352c82543f997ec32332829b6fa30714eaa - Download
    zlib/1.2.11:baf78352c82543f997ec32332829b6fa30714eaa - Download
    zstd/1.5.0:baf78352c82543f997ec32332829b6fa30714eaa - Download
Build requirements
    protobuf/3.15.5 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Build requirements packages
    protobuf/3.15.5:67636a849baf6378d4a1b3aa4de92e25ae67e14b - Download
    zlib/1.2.11:647afeb69d3b0a2d3d316e80b24d38c714cc6900 - Download

Cross-build from 'Macos:x86_64' to 'Macos:armv8'
Installing (downloading, building) binaries...

ERROR: Missing binary: libpng/1.6.37:4dc30494e16aa1c3afe30e47a9e1ab6be09c245e
libpng/1.6.37: WARN: Can't find a 'libpng/1.6.37' package for the specified settings, options and dependencies:
- Settings: arch=armv8, build_type=Debug, compiler=apple-clang, compiler.version=12.0, os=Macos
- Options: api_prefix=None, fPIC=True, shared=False, zlib:fPIC=True, zlib:minizip=deprecated, zlib:shared=False
- Dependencies: zlib/1.2.11
- Requirements: zlib/1.Y.Z
- Package ID: 4dc30494e16aa1c3afe30e47a9e1ab6be09c245e

ERROR: Missing prebuilt package for 'libpng/1.6.37'
Try to build from sources with '--build=libpng'
Use 'conan search <reference> --table table.html'
Or read 'http://docs.conan.io/en/latest/faq/troubleshooting.html#error-missing-prebuilt-package'